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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (4 Of 4)) >> DTC/Circuit Diagnosis >> Fuel Tank Temperature Sensor >> Component Inspection >> PR25DD engine

PR25DD engine

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  1. CHECK FUEL TANK TEMPERATURE (FTT) SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect fuel level sensor unit and fuel pump harness connector.
    3. Remove fuel level sensor unit. Refer to Removal & Installation (AWD)or Removal & Installation (FWD).
    4. Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.
      GNSJMBIA0167Z-167Courtesy of NISSAN NORTH AMERICA, INC.

      Fuel level sensor unit and fuel pump

      Condition

      Resistance (kOhm)

      +

      -

      Terminal

      8

      7

      Temperature [ deg. C (deg. F)]

      20 (68)

      2.3 - 2.7

      50 (122)

      0.79 - 0.90

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace fuel level sensor unit and fuel pump. Refer to Removal & Installation (AWD) or Removal & Installation (FWD).